Class: Prism::NilNode
- Inherits:
-
PrismNode
- Object
- PrismNode
- Prism::NilNode
- Defined in:
- lib/prism/node.rb,
ext/prism/api_node.c
Overview
Represents the use of the ‘nil` keyword.
nil
^^^
Class Method Summary collapse
-
.type ⇒ Object
Return a symbol representation of this node type.
Instance Method Summary collapse
-
#===(other) ⇒ Object
Implements case-equality for the node.
-
#accept(visitor) ⇒ Object
def accept: (Visitor visitor) -> void.
-
#child_nodes ⇒ Object
(also: #deconstruct)
def child_nodes: () -> Array[nil | Node].
-
#comment_targets ⇒ Object
def comment_targets: () -> Array[Node | Location].
-
#compact_child_nodes ⇒ Object
def compact_child_nodes: () -> Array.
-
#copy(node_id: self.node_id, location: self.location, flags: self.flags) ⇒ Object
def copy: (?node_id: Integer, ?location: Location, ?flags: Integer) -> NilNode.
-
#deconstruct_keys(keys) ⇒ Object
def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location }.
-
#initialize(source, node_id, location, flags) ⇒ NilNode
constructor
Initialize a new NilNode node.
-
#inspect ⇒ Object
def inspect -> String.
-
#type ⇒ Object
Return a symbol representation of this node type.
Constructor Details
#initialize(source, node_id, location, flags) ⇒ NilNode
Initialize a new NilNode node.
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# File 'lib/prism/node.rb', line 12143 def initialize(source, node_id, location, flags) @source = source @node_id = node_id @location = location @flags = flags end |
Class Method Details
.type ⇒ Object
Return a symbol representation of this node type. See ‘Node::type`.
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# File 'lib/prism/node.rb', line 12194 def self.type :nil_node end |
Instance Method Details
#===(other) ⇒ Object
Implements case-equality for the node. This is effectively == but without comparing the value of locations. Locations are checked only for presence.
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# File 'lib/prism/node.rb', line 12200 def ===(other) other.is_a?(NilNode) end |
#accept(visitor) ⇒ Object
def accept: (Visitor visitor) -> void
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# File 'lib/prism/node.rb', line 12151 def accept(visitor) visitor.visit_nil_node(self) end |
#child_nodes ⇒ Object Also known as: deconstruct
def child_nodes: () -> Array[nil | Node]
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# File 'lib/prism/node.rb', line 12156 def child_nodes [] end |
#comment_targets ⇒ Object
def comment_targets: () -> Array[Node | Location]
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# File 'lib/prism/node.rb', line 12166 def comment_targets [] #: Array[Prism::node | Location] end |
#compact_child_nodes ⇒ Object
def compact_child_nodes: () -> Array
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# File 'lib/prism/node.rb', line 12161 def compact_child_nodes [] end |
#copy(node_id: self.node_id, location: self.location, flags: self.flags) ⇒ Object
def copy: (?node_id: Integer, ?location: Location, ?flags: Integer) -> NilNode
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# File 'lib/prism/node.rb', line 12171 def copy(node_id: self.node_id, location: self.location, flags: self.flags) NilNode.new(source, node_id, location, flags) end |
#deconstruct_keys(keys) ⇒ Object
def deconstruct_keys: (Array keys) -> { node_id: Integer, location: Location }
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# File 'lib/prism/node.rb', line 12179 def deconstruct_keys(keys) { node_id: node_id, location: location } end |
#inspect ⇒ Object
def inspect -> String
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# File 'lib/prism/node.rb', line 12184 def inspect InspectVisitor.compose(self) end |
#type ⇒ Object
Return a symbol representation of this node type. See ‘Node#type`.
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# File 'lib/prism/node.rb', line 12189 def type :nil_node end |